Editorial Technical Reference

High-Pressure Fish Pump Impeller

This page explains how High-Pressure Fish Pump Impeller is classified within Processing and Preserving of Fish. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

Centrifugal impeller for transferring fish and seafood products through processing lines.

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Product Specifications

Technical details and manufacturing context for High-Pressure Fish Pump Impeller

Definition
This specialized centrifugal impeller is designed for fish and seafood transfer applications in industrial processing facilities. It is a critical sub-assembly within fish transfer systems, enabling efficient movement of whole fish, fillets, or processed seafood between processing stages. The impeller is engineered to handle delicate biological materials while maintaining product integrity during pumping operations. Manufacturers integrate these impellers into custom pumping solutions for seafood processors, reducing manual handling and improving production line efficiency.

Key specifications include an impeller diameter of 200–400 mm, a maximum rotational speed of 1450–2900 RPM, and a flow rate capacity of 50–200 m³/h. The material thickness ranges from 5–12 mm, and the shaft connection diameter is 25–60 mm. The component weighs between 5–20 kg. Operating pressure is 1.0–1.6 MPa, and operating temperature ranges from -20°C to 80°C. The impeller is available in 316L stainless steel (ASTM A743), food-grade polypropylene, and FDA-compliant elastomers. Surface roughness is Ra 0.8–1.6 µm, balancing grade is G2.5 (ISO 1940-1), and the impeller type is closed for high efficiency and low recirculation.

These values are directory reference ranges and must be confirmed for the actual model and application. Standards listed are procurement/verification references and do not imply certification or compliance of any specific product or supplier. Always verify model-specific values and standards with the legal manufacturer or supplier.
Working Principle
The impeller rotates at high speed within a pump housing, creating centrifugal force that moves fish products through transfer lines. The closed design minimizes recirculation and maintains a smooth flow, reducing damage to delicate tissues. The impeller's geometry and surface finish are optimized to handle whole fish, fillets, or processed seafood without compromising product integrity. Operating parameters such as RPM and flow rate must be matched to the specific product and line configuration to ensure gentle handling and efficient transfer.
Common Materials
316L Stainless Steel, Food-Grade Polypropylene, FDA-Compliant Elastomers
Technical Parameters
ParameterTypical rangeNotes & selection driver
Impeller DiameterRequired200–400 mmOverall diameter of the rotating component
Maximum RPMRequired1450–2900 RPMMaximum safe rotational speed
Flow Rate CapacityRequired50–200 m³/hMaximum fish product transfer capacity
Material ThicknessRequired5–12 mmThickness of impeller vanes
Shaft Connection DiameterRequired25–60 mmDiameter of central mounting shaft
Weight5–20 kgTotal component weight
Operating Temperature-20–80 °CExceeding range may degrade material properties.
Material Grade316LCorrosion-resistant for fish processing.ASTM A743
Surface RoughnessRa 0.8–1.6 µmSmooth finish reduces fouling and improves efficiency.
Balancing GradeG2.5Required for high-speed operation to minimize vibration.ISO 1940-1
Impeller TypeClosedClosed impeller for high efficiency and low recirculation.

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Impeller Hub Part
    Central mounting point for shaft connection
    Material: 316L Stainless Steel
  • Radial Vanes Part
    Create centrifugal force for product movement
    Material: Food-Grade Polypropylene
  • Wear Ring Optional Part
    Reduces clearance wear between impeller and housing
    Material: FDA-Compliant Elastomer
  • Balance Weights Optional Part
    Ensures smooth rotation at high speeds
    Material: 316L Stainless Steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for High-Pressure Fish Pump Impeller.

Seafood Transfer Impeller Fish Pump Rotor Marine Product Impeller

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 10 bar (145 psi) maximum operating pressure
flow rate: 10-500 m³/h (44-2,200 gpm)
temperature: 0°C to 40°C (32°F to 104°F)
slurry concentration: Up to 40% solids by volume
Media Compatibility
✓ Seawater and brine solutions ✓ Fish slurry with scales and bones ✓ Shellfish and crustacean mixtures
Unsuitable: Highly abrasive media with sand or grit exceeding 5% concentration
Sizing Data Required
  • Required flow rate (m³/h or gpm)
  • Total dynamic head (meters or feet)
  • Maximum particle size in slurry (mm or inches)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Abrasive erosion
Cause: Suspended solids in fish slurry (scales, bones, debris) causing progressive material loss on impeller surfaces, especially leading edges and vanes, due to high-velocity particle impacts.
Cavitation
Cause: Insufficient net positive suction head (NPSH) from clogged intake screens, excessive pump speed, or improper system design, leading to vapor bubble formation and implosion on impeller surfaces causing pitting and material fatigue.
Maintenance Indicators
  • Unusual high-frequency vibration or rattling noises during operation indicating imbalance from erosion or material buildup
  • Progressive drop in discharge pressure or flow rate despite constant pump speed, signaling wear or internal recirculation damage
Engineering Tips
  • Install real-time vibration monitoring with spectral analysis to detect early imbalance and cavitation patterns, enabling predictive maintenance before catastrophic failure
  • Implement hardened surface coatings (e.g., tungsten carbide or ceramic composites) on impeller vanes and apply regular ultrasonic thickness testing to monitor erosion rates in high-wear zones

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 2858:2012 (End-suction centrifugal pumps - Designation, nominal duty point and dimensions) ANSI/HI 1.1-1.5 (American National Standard for Centrifugal Pumps) DIN EN 809 (Pumps and pump units for liquids - Common safety requirements)

Quoted from the published standard.

Manufacturing Precision
  • Impeller diameter: +/-0.05mm
  • Balance tolerance: G6.3 per ISO 1940-1
Quality Inspection
  • Hydrostatic pressure test (1.5x maximum working pressure)
  • Material composition verification via XRF (X-ray fluorescence) analysis

Manufacturers of High-Pressure Fish Pump Impeller

Manufacturer profiles associated with High-Pressure Fish Pump Impeller.

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Frequently Asked Questions

What materials are available for this impeller?

The impeller can be made from 316L stainless steel (ASTM A743), food-grade polypropylene, or FDA-compliant elastomers. The choice depends on the application and required corrosion resistance.

What is the operating pressure range?

The operating pressure range is 1.0–1.6 MPa. Exceeding the range could affect performance.

How does the impeller minimize damage to fish products?

The closed impeller design and smooth surface finish (Ra 0.8–1.6 µm) reduce turbulence and contact stress, helping to preserve the integrity of delicate fish and seafood during transfer.

What balancing grade is required?

The impeller is balanced to G2.5 per ISO 1940-1, which is necessary for high-speed operation to minimize vibration and ensure smooth running.
Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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